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fn iter_vec<T>(v: ~[T], f: fn(T)) { for v.each |x| { f(x); } }
fn main() {
let v = ~[1, 2, 3, 4, 5];
let mut sum = 0;
iter_vec(v, |i| {
iter_vec(v, |j| {
log(error, i * j);
sum += i * j;
});
});
log(error, sum);
assert (sum == 225);
}
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